AU524261B2 - Ethylene from ethanol - Google Patents

Ethylene from ethanol

Info

Publication number
AU524261B2
AU524261B2 AU38732/78A AU3873278A AU524261B2 AU 524261 B2 AU524261 B2 AU 524261B2 AU 38732/78 A AU38732/78 A AU 38732/78A AU 3873278 A AU3873278 A AU 3873278A AU 524261 B2 AU524261 B2 AU 524261B2
Authority
AU
Australia
Prior art keywords
ethanol
ethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU38732/78A
Other languages
English (en)
Other versions
AU3873278A (en
Inventor
JOAO BAPTISTA DECASTRO M. Dk SILVA AND RUY COUTINHO DE ASSIS HELVIO VALLADARES BARROCAS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petroleo Brasileiro SA Petrobras
Original Assignee
Petroleo Brasileiro SA Petrobras
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4006904&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU524261(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Petroleo Brasileiro SA Petrobras filed Critical Petroleo Brasileiro SA Petrobras
Publication of AU3873278A publication Critical patent/AU3873278A/en
Application granted granted Critical
Publication of AU524261B2 publication Critical patent/AU524261B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C07C1/24—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by elimination of water
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C07C2521/08—Silica
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/12—Silica and alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/18—Carbon
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/24—Chromium, molybdenum or tungsten
    • C07C2523/28—Molybdenum
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/14—Phosphorus; Compounds thereof
    • C07C2527/16—Phosphorus; Compounds thereof containing oxygen
    • C07C2527/167—Phosphates or other compounds comprising the anion (PnO3n+1)(n+2)-
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/14—Phosphorus; Compounds thereof
    • C07C2527/16—Phosphorus; Compounds thereof containing oxygen
    • C07C2527/167—Phosphates or other compounds comprising the anion (PnO3n+1)(n+2)-
    • C07C2527/173—Phosphoric acid or other acids with the formula Hn+2PnO3n+1
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AU38732/78A 1977-08-09 1978-08-08 Ethylene from ethanol Expired AU524261B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR7705256 1977-08-09
BR7705256A BR7705256A (pt) 1977-08-09 1977-08-09 Processo e preparacao de eteno

Publications (2)

Publication Number Publication Date
AU3873278A AU3873278A (en) 1980-02-14
AU524261B2 true AU524261B2 (en) 1982-09-09

Family

ID=4006904

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38732/78A Expired AU524261B2 (en) 1977-08-09 1978-08-08 Ethylene from ethanol

Country Status (13)

Country Link
US (1) US4232179A (enExample)
JP (1) JPS5919927B2 (enExample)
AR (1) AR215330A1 (enExample)
AU (1) AU524261B2 (enExample)
BE (1) BE869500A (enExample)
BR (1) BR7705256A (enExample)
DE (1) DE2834699C2 (enExample)
FR (1) FR2399992B1 (enExample)
GB (1) GB2002416B (enExample)
IN (1) IN150493B (enExample)
KE (1) KE3366A (enExample)
MX (1) MX147969A (enExample)
ZA (1) ZA784321B (enExample)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8101487A (pt) * 1981-03-13 1982-10-26 Petroleo Brasileiro Sa Processo de desidratacao de um alcool de baixo peso molecular
JPS57190650A (en) * 1981-05-15 1982-11-24 Agency Of Ind Science & Technol Porous crystalline catalyst for olefin synthesis
US4404414A (en) * 1982-09-28 1983-09-13 Mobil Oil Corporation Conversion of methanol to gasoline
US4590320A (en) * 1984-08-31 1986-05-20 Mobil Oil Corporation Conversion of methanol to olefins in a tubular reactor with light olefin co-feeding
JPS6434929A (en) * 1987-07-30 1989-02-06 Jgc Corp Method for dehydrating reaction of ethanol
US4885405A (en) * 1987-12-10 1989-12-05 Horst Dornhagen Process for the production of pure dimethylether and a catalyst used in the process
JPH11217343A (ja) * 1998-01-30 1999-08-10 Sangi Co Ltd 化学工業原料及びハイオク燃料の合成法
US20050175519A1 (en) * 2004-02-06 2005-08-11 Rogers William A.Jr. Microchannel compression reactor
JPWO2007055361A1 (ja) 2005-11-14 2009-04-30 三井化学株式会社 バイオマス由来の炭素を含むプロピレンの製造方法
EP1792885A1 (en) * 2005-11-29 2007-06-06 BP Chemicals Limited Process for producing ethylene
EP1792886A1 (en) * 2005-11-29 2007-06-06 BP Chemicals Limited Process for producing propylene
EP1790627A1 (en) * 2005-11-29 2007-05-30 BP Chemicals Limited Process for producing olefins
BRPI0601803A (pt) * 2006-05-18 2008-02-19 Helcio Valladares Barrocas processo para produção de eteno a partir de álcool etìlico
JP2010030902A (ja) * 2006-11-21 2010-02-12 Mitsui Chemicals Inc エチレンの製造方法
EP1992601A1 (en) * 2007-05-11 2008-11-19 Ineos Europe Limited Dehydration of alcohols over supported heteropolyacids
EP2050730A1 (en) * 2007-10-17 2009-04-22 BP Chemicals Limited Process for preparing ethene
ES2372235T3 (es) * 2007-12-05 2012-01-17 Braskem S.A. Proceso integrado para la producción de copolímero de etileno-butileno, un copolímero de etileno-butileno y el uso de etileno y 1-butileno, como comonómero, procedente de materias primas naturales renovables.
US20110105815A1 (en) * 2008-02-07 2011-05-05 Total Petrochemicals Research Feluy Process to Make Olefins from Ethanol
CA2713169C (en) * 2008-02-07 2014-07-08 Total Petrochemicals Research Feluy Dehydration of alcohols on crystalline silicates
EP2108636A1 (en) * 2008-04-11 2009-10-14 Total Petrochemicals Research Feluy Dehydration of alcohols in the presence of an inert component.
EP2108634A1 (en) 2008-04-11 2009-10-14 Total Petrochemicals Research Feluy Dehydration of alcohols on crystalline silicates
EA019181B1 (ru) * 2008-02-07 2014-01-30 Тотал Петрокемикалс Рисерч Фелюй Дегидратация спиртов в присутствии инертного компонента
EP2090561A1 (en) 2008-02-07 2009-08-19 Total Petrochemicals Research Feluy Dehydration of alcohols on crystalline silicates
BRPI0907743A2 (pt) * 2008-02-07 2019-09-24 Total Petrochemicals Res Feluy processo para gerar olefinas a partir do etanol
EP2108635A1 (en) 2008-04-11 2009-10-14 Total Petrochemicals Research Feluy Process to make olefins from ethanol
EP2108637A1 (en) * 2008-04-11 2009-10-14 Total Petrochemicals Research Feluy Process to make olefins from ethanol.
FR2934599B1 (fr) * 2008-07-29 2012-12-21 Arkema France Fabrication de polyethylene a partir de matieres renouvelables, polyethylene obtenu et utilisations
JP2010042343A (ja) * 2008-08-12 2010-02-25 National Institute Of Advanced Industrial & Technology 低級オレフィン製造用触媒、その製造方法及びこれを用いた低級オレフィンの製造方法
EP2192101A1 (en) 2008-11-28 2010-06-02 Total Petrochemicals Research Feluy Purification of alcohols prior to their use in the presence of an acid catalyst
JP5698142B2 (ja) 2008-11-28 2015-04-08 トタル リサーチ アンド テクノロジー フエリユイ 酸触媒存在下で使用前にアルコールを精製する方法
CN102471198B (zh) 2009-07-01 2015-03-11 陶氏环球技术有限责任公司 由脂族醇制备烯烃的工艺
CN102781882A (zh) 2010-02-24 2012-11-14 英国石油有限公司 用于制备烯烃的方法
SG183271A1 (en) 2010-02-24 2012-09-27 Bp Plc Process for preparing an alkene
FR2959751B1 (fr) 2010-05-06 2012-06-08 Inst Francais Du Petrole Procede de production de base pour carburants a partir d'une charge ethylenique mettant en oeuvre au moins une etape d'oligomerisation en presence d'un systeme catalytique homogene.
FR2959752B1 (fr) 2010-05-06 2012-06-08 Inst Francais Du Petrole Procede flexible de transformation de l'ethanol en distillats moyens mettant en oeuvre un systeme catalytique homogene et un systeme catalytique heterogene.
FR2959750B1 (fr) 2010-05-06 2013-02-15 Inst Francais Du Petrole Procede de production de kerosene a partir de bio-ethanol.
CN102381922B (zh) * 2010-09-01 2014-04-30 中国石油化工股份有限公司 一种由乙醇合成乙烯的方法
CN102381927B (zh) * 2010-09-01 2014-04-30 中国石油化工股份有限公司 一种由乙醇合成乙苯的方法
EP2729433B1 (en) * 2011-07-07 2020-08-05 Ineos Europe AG Process for producing olefins with heat transfer from steam cracking to alcohol dehydration process.
FR2978146B1 (fr) 2011-07-21 2013-08-30 IFP Energies Nouvelles Procede de deshydratation de l'ethanol en ethylene a basse consommation energetique
FR2981065B1 (fr) 2011-10-07 2014-03-14 IFP Energies Nouvelles Procede de deshydratation de l'ethanol dilue en ethylene a basse consommation energetique sans recyclage de l'eau.
EP2594547A1 (en) 2011-11-17 2013-05-22 Solvay Sa Process for the manufacture of at least one ethylene derivative compound from bioethanol
US20150265992A1 (en) * 2014-03-20 2015-09-24 Petron Scientec Inc. Reactor and process for dehydration of ethanol to ethylene
US20170266635A1 (en) * 2012-01-09 2017-09-21 Petron Scientech, Inc. Reactor and process for the dehydration of ethanol to ethylene
US20130178674A1 (en) * 2012-01-09 2013-07-11 Hassan Taheri Reactor and process for dehydration of ethanol to ethylene
RU2625299C2 (ru) 2012-05-16 2017-07-13 Чайна Петролеум Энд Кемикал Корпорейшн Аппарат для получения этилена и способ получения этилена
FR2998568B1 (fr) 2012-11-27 2015-01-23 IFP Energies Nouvelles Procede de deshydratation de l'ethanol en ethylene a basse consommation
FR2998567B1 (fr) 2012-11-27 2014-12-26 IFP Energies Nouvelles Procede de deshydratation d'ethanol en ethylene mettant en oeuvre un pretraitement de la charge
EP2740718A1 (de) 2012-12-04 2014-06-11 Linde Aktiengesellschaft Verfahren zur katalytischen Dehydratisierung von Olefinen
FR3001968B1 (fr) 2013-02-12 2015-02-27 IFP Energies Nouvelles Procede de production d'oxyde d'ethylene a partir d'un flux d'ethanol thermo-mecaniquement integre
FR3001969B1 (fr) 2013-02-12 2015-08-21 IFP Energies Nouvelles Procede de production d'oxyde d'ethylene a partir d'un flux d'ethanol thermiquement integre
EP3080059B1 (en) 2013-12-13 2023-12-13 Dow Global Technologies LLC Alkanol to alkylene conversion using at least two different catalysts in sequential order
US10661243B2 (en) 2014-12-16 2020-05-26 Technip E&C Limited Process and apparatus for ethanol dehydration
US10544067B2 (en) 2014-12-31 2020-01-28 Total Research & Technology Feluy Process for preparing olefins by dehydrating alcohols with less side effects comprising addition of organic acids
WO2016107759A1 (en) 2014-12-31 2016-07-07 Total Research & Technology Feluy Process for preparing olefins by dehydrating alcohols with less side effects comprising addition of sulfur containing compounds
FI129508B (fi) * 2018-04-20 2022-03-31 Jani Karvanen Kaatopää ja menetelmä pienpuun korjaamiseen
US11260367B2 (en) 2018-12-12 2022-03-01 Instituto Nacional De Tecnologia Catalytic system and process for the production of light olefins from ethanol
FR3089973B1 (fr) 2018-12-14 2020-12-25 Ifp Energies Now Procédé de déshydratation de l'éthanol en éthylène à basse consommation énergétique
US11905396B2 (en) 2019-09-30 2024-02-20 Enlightened Product Solutions, LLC Renewably-sourced biodegradable polyolefin packaging, utensils, and containers
JP2024121026A (ja) * 2022-08-30 2024-09-06 旭化成株式会社 エタノール及びエチレンの変換方法、プロピレンの製造方法、芳香族化合物の製造方法、並びに、エタノール及びエチレンの変換装置
JP7752192B2 (ja) * 2022-01-31 2025-10-09 旭化成株式会社 エタノールの変換方法、及びその他炭化水素の製造方法
US12479779B2 (en) * 2022-08-30 2025-11-25 Uop Llc Steam integration in ethanol to jet fuel process
US20240076249A1 (en) * 2022-08-30 2024-03-07 Uop Llc Radial flow reactor for an ethanol dehydration process
US20240182801A1 (en) * 2022-08-30 2024-06-06 Uop Llc Steam integration in ethanol to jet fuel process
JPWO2024070182A1 (enExample) * 2022-09-30 2024-04-04
JP2024051654A (ja) * 2022-09-30 2024-04-11 旭化成株式会社 エタノールの変換方法、炭化水素の製造方法、プロピレンの製造方法、芳香族化合物の製造方法、並びに、エタノールの変換装置
WO2024089254A1 (en) 2022-10-28 2024-05-02 Basf Se Process for the manufacture of a c4-olefin-derived chemical of interest, in particular citral, from renewably-sourced ethanol
WO2024089252A1 (en) 2022-10-28 2024-05-02 Basf Se Process for the manufacture of a propylene-derived chemical of interest, in particular an acrylic ester, from renewably-sourced ethanol
EP4638400A1 (en) 2022-12-20 2025-10-29 Basf Se Manufacture of an ethylene-derived chemical of interest, in particular acrylic acid, in combination with generation of heated steam
CN120435448A (zh) 2022-12-20 2025-08-05 巴斯夫欧洲公司 结合产生热能制造乙烯衍生的感兴趣的化学品
FR3153613B1 (fr) 2023-09-29 2025-10-10 Ifp Energies Now Procede de production de distillats moyens en particulier de kerosene a partir d’une charge alcoolique
WO2025078353A1 (en) 2023-10-09 2025-04-17 Basf Se Manufacture of ethylene-derived chemicals having a bio-based carbon content from pyrolysis oil
WO2025078362A1 (en) 2023-10-09 2025-04-17 Basf Se Process for the manufacture of styrene acrylic copolymers having a renewably-sourced carbon content
WO2025078359A1 (en) 2023-10-09 2025-04-17 Basf Se Manufacture of ethylene-derived chemicals having a bio-based carbon content from bio-naphtha
WO2025224042A1 (en) 2024-04-23 2025-10-30 Basf Se Process for the manufacture of renewably-sourced n-butanol or 2-ethylhexanol
FR3163379A1 (fr) 2024-06-18 2025-12-19 IFP Energies Nouvelles Procédé d’hydrogénation des oléfines contenues dans une charge oléfinique de type distillats moyens en présence d’un catalyseur de nickel cuivre
WO2026002694A1 (en) 2024-06-26 2026-01-02 Basf Se Manufacture of propylene-based chemical(s) from ethylene obtained from ethanol dehydration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1909356A (en) * 1928-02-27 1933-05-16 Selden Co Catalytic dehydration of alcohols
DE501198C (de) * 1928-11-10 1930-06-28 Chem Fab Dr Hugo Stoltzenberg Vorrichtung zur Entwicklung von AEthylen
US2377026A (en) * 1940-10-01 1945-05-29 Air Reduction Method of dehydrating alcohols
NL63902C (enExample) * 1944-12-04
US2949493A (en) * 1958-10-03 1960-08-16 Happel John Production of divinyl acetylenes by the dehydration of vinyl acetylenic alcohols in the presence of steam
US4052479A (en) * 1973-08-09 1977-10-04 Mobil Oil Corporation Conversion of methanol to olefinic components
US4025576A (en) * 1975-04-08 1977-05-24 Mobil Oil Corporation Process for manufacturing olefins

Also Published As

Publication number Publication date
GB2002416B (en) 1982-03-03
JPS5919927B2 (ja) 1984-05-09
ZA784321B (en) 1979-07-25
BR7705256A (pt) 1979-04-03
US4232179A (en) 1980-11-04
FR2399992B1 (fr) 1985-08-09
AU3873278A (en) 1980-02-14
DE2834699C2 (de) 1986-11-06
GB2002416A (en) 1979-02-21
AR215330A1 (es) 1979-09-28
US4232179B1 (enExample) 1987-12-08
DE2834699A1 (de) 1979-02-22
BE869500A (fr) 1978-12-01
JPS5436203A (en) 1979-03-16
IN150493B (enExample) 1982-10-23
FR2399992A1 (fr) 1979-03-09
KE3366A (en) 1984-02-03
MX147969A (es) 1983-02-17

Similar Documents

Publication Publication Date Title
AU524261B2 (en) Ethylene from ethanol
AU3409978A (en) 4-acylaminophenyl-ethanolamines
AU3506678A (en) Polyetheramide-acids
AU3782678A (en) 1-acyl-2-cyanoaziridines
AU3662478A (en) Pyridobenzodiazepines
AU3069177A (en) Inkduct
AU3780378A (en) Circuit-tester
AU3662278A (en) Pyridobenzoiazepines
AU3347978A (en) Phenyl-benzimidazoyl-furanes
AU3770478A (en) 3-indolyl-tertiary butylaminopropanole
AU3216478A (en) Phenylcarbamoyl-2-pyrazolines
AU3216278A (en) Phenylcarbamoyl-pyrazolines
AU3732478A (en) a-ETHYNYL TRYTOPHANES
AU3307178A (en) Chloroacetanylides
AU516708B2 (en) 4-alkylthio-2-trifluoromethylalkanesulfonides
AU3401278A (en) Sipper-seal
AU3764478A (en) Benzylpyrimidines
AU3418778A (en) Hydroxylated-1d-2d-methylene-steroids
AU3706678A (en) Pyridazinylhydrazines
AU3732678A (en) Alpha-vinyl tryptophanes
AU3246878A (en) Arylenedioxy-bis-diketones
AU3790378A (en) Amidino-benzylpyrimidines
AU3615578A (en) 17-beta-hydroxy-delta 4-androsten-3-ones
SU654393A1 (ru) Устройство дл контрол жесткости
AU3397178A (en) N-hydroxy-n-phosphonomethylglycines